(0 19 17)(1 20 9 6 4)(2 21 16 5 3)(7 12 10)(8 15 14)(11 18 13)
ALLOWS (11/8)-SEQUENCE
1: (0 4 9)

(0 6 4 19 17)(1 20 9)(2 21 16 5 3)(7 12 10)(8 15 14)(11 18 13)
2: (3 16 5)

(0 6 4 19 17)(1 20 9)(2 21 16)(3)(5)(7 12 10)(8 15 14)(11 18 13)
3: (1 20 9)

(0 6 4 19 17)(1)(2 21 16)(3)(5)(7 12 10)(8 15 14)(9)(11 18 13)(20)
4: (4 19 6)

(0 6 17)(1)(2 21 16)(3)(4)(5)(7 12 10)(8 15 14)(9)(11 18 13)(19)(20)